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    • 43. 发明公开
    • Furobenzisoxazole derivatives.
    • Furobenzisoxazolderivate。
    • EP0205872A1
    • 1986-12-30
    • EP86106437
    • 1986-05-12
    • CHUGAI PHARMACEUTICAL CO LTD
    • SATO HARUHIKOKOGA HIROSHIDAN TAKASHIONUMA ETSURO
    • C07D498/04A61K31/42
    • C07D498/04
    • Novel furobenzisoxazole derivatives of the formule (I):

      (wherein R
      1 , R
      2 , R
      3 and R
      4 which may be the same or different represent a hydrogen atom, a halogen atom, or a lower alkyl group having 1-4 carbon atoms; R
      5 is a hydroxymethyl group, a carboxyl group or a lower alkoxy carbonyl group having 1-3 carbon atoms; and X is a sulfur atom or a-CH =CH-group), as well as intoxic salts thereof when R, is a carboxyl group, and process for preparing the same are disclosed.
      The drivatives of formula (I) and intoxic salts thereof have hypotensive, uricosuric and diuretic activities and hence are useful as therapeutics for treating hyperuricemia, edema and hypertension.
    • 式(I)的新型呋喃苯并异恶唑衍生物:(其中R 1,R 2,R 3和R 4可以相同或不同,表示氢原子,卤素原子或具有1-4个碳原子的低级烷基 ; R 5是羟基甲基,羧基或具有1-3个碳原子的低级烷氧基羰基; X是硫原子或-CH = CH-基团),以及当R 1是 羧基及其制备方法。 式(I)的驱虫剂和其不含毒性的盐具有降血压,促尿酸尿和利尿作用,因此可用作治疗高尿酸血症,水肿和高血压的治疗剂。